Dorothy Lee Campbellwas the first internationally dominant female golfer. Campbell was the first woman to win the American, British and Canadian Women's Amateurs... (wikipedia)
She should have returned the truck to the vendor and if she ran into problems should have taken the receipt and defective item to the CAC and we would have taken it from there.
Sometimes persons are even unwilling to lodge complaints to the CAC.
Consumers have a right to get their correct change.
Candies are not legal tender and cannot be deposited anywhere. Again, a customer must be asked if it is OK to give a candy because of short change.